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Code source de WordPress 2.1.2 |
1 <?php 2 3 class WP_Import { 4 5 var $posts = array (); 6 var $file; 7 var $id; 8 var $mtnames = array (); 9 var $newauthornames = array (); 10 var $j = -1; 11 12 function header() { 13 echo '<div class="wrap">'; 14 echo '<h2>'.__('Import WordPress').'</h2>'; 15 } 16 17 function footer() { 18 echo '</div>'; 19 } 20 21 function unhtmlentities($string) { // From php.net for < 4.3 compat 22 $trans_tbl = get_html_translation_table(HTML_ENTITIES); 23 $trans_tbl = array_flip($trans_tbl); 24 return strtr($string, $trans_tbl); 25 } 26 27 function greet() { 28 echo '<div class="narrow">'; 29 echo '<p>'.__('Howdy! Upload your WordPress eXtended RSS (WXR) file and we’ll import the posts, comments, custom fields, and categories into this blog.').'</p>'; 30 echo '<p>'.__('Choose a WordPress WXR file to upload, then click Upload file and import.').'</p>'; 31 wp_import_upload_form("admin.php?import=wordpress&step=1"); 32 echo '</div>'; 33 } 34 35 function get_tag( $string, $tag ) { 36 preg_match("|<$tag.*?>(.*?)</$tag>|is", $string, $return); 37 $return = addslashes( trim( $return[1] ) ); 38 return $return; 39 } 40 41 function users_form($n) { 42 global $wpdb, $testing; 43 $users = $wpdb->get_results("SELECT * FROM $wpdb->users ORDER BY ID"); 44 ?><select name="userselect[<?php echo $n; ?>]"> 45 <option value="#NONE#">- Select -</option> 46 <?php 47 foreach ($users as $user) { 48 echo '<option value="'.$user->user_login.'">'.$user->user_login.'</option>'; 49 } 50 ?> 51 </select> 52 <?php 53 } 54 55 //function to check the authorname and do the mapping 56 function checkauthor($author) { 57 global $wpdb; 58 //mtnames is an array with the names in the mt import file 59 $pass = 'changeme'; 60 if (!(in_array($author, $this->mtnames))) { //a new mt author name is found 61 ++ $this->j; 62 $this->mtnames[$this->j] = $author; //add that new mt author name to an array 63 $user_id = username_exists($this->newauthornames[$this->j]); //check if the new author name defined by the user is a pre-existing wp user 64 if (!$user_id) { //banging my head against the desk now. 65 if ($newauthornames[$this->j] == 'left_blank') { //check if the user does not want to change the authorname 66 $user_id = wp_create_user($author, $pass); 67 $this->newauthornames[$this->j] = $author; //now we have a name, in the place of left_blank. 68 } else { 69 $user_id = wp_create_user($this->newauthornames[$this->j], $pass); 70 } 71 } else { 72 return $user_id; // return pre-existing wp username if it exists 73 } 74 } else { 75 $key = array_search($author, $this->mtnames); //find the array key for $author in the $mtnames array 76 $user_id = username_exists($this->newauthornames[$key]); //use that key to get the value of the author's name from $newauthornames 77 } 78 79 return $user_id; 80 } 81 82 function get_entries() { 83 set_magic_quotes_runtime(0); 84 $importdata = file($this->file); // Read the file into an array 85 $importdata = implode('', $importdata); // squish it 86 $importdata = preg_replace("/(\r\n|\n|\r)/", "\n", $importdata); 87 preg_match_all('|<item>(.*?)</item>|is', $importdata, $this->posts); 88 $this->posts = $this->posts[1]; 89 preg_match_all('|<wp:category>(.*?)</wp:category>|is', $importdata, $this->categories); 90 $this->categories = $this->categories[1]; 91 } 92 93 function get_wp_authors() { 94 $temp = array (); 95 $i = -1; 96 foreach ($this->posts as $post) { 97 if ('' != trim($post)) { 98 ++ $i; 99 $author = $this->get_tag( $post, 'dc:creator' ); 100 array_push($temp, "$author"); //store the extracted author names in a temporary array 101 } 102 } 103 104 // We need to find unique values of author names, while preserving the order, so this function emulates the unique_value(); php function, without the sorting. 105 $authors[0] = array_shift($temp); 106 $y = count($temp) + 1; 107 for ($x = 1; $x < $y; $x ++) { 108 $next = array_shift($temp); 109 if (!(in_array($next, $authors))) 110 array_push($authors, "$next"); 111 } 112 113 return $authors; 114 } 115 116 function get_authors_from_post() { 117 $formnames = array (); 118 $selectnames = array (); 119 120 foreach ($_POST['user'] as $key => $line) { 121 $newname = trim(stripslashes($line)); 122 if ($newname == '') 123 $newname = 'left_blank'; //passing author names from step 1 to step 2 is accomplished by using POST. left_blank denotes an empty entry in the form. 124 array_push($formnames, "$newname"); 125 } // $formnames is the array with the form entered names 126 127 foreach ($_POST['userselect'] as $user => $key) { 128 $selected = trim(stripslashes($key)); 129 array_push($selectnames, "$selected"); 130 } 131 132 $count = count($formnames); 133 for ($i = 0; $i < $count; $i ++) { 134 if ($selectnames[$i] != '#NONE#') { //if no name was selected from the select menu, use the name entered in the form 135 array_push($this->newauthornames, "$selectnames[$i]"); 136 } else { 137 array_push($this->newauthornames, "$formnames[$i]"); 138 } 139 } 140 } 141 142 function wp_authors_form() { 143 ?> 144 <h2><?php _e('Assign Authors'); ?></h2> 145 <p><?php _e('To make it easier for you to edit and save the imported posts and drafts, you may want to change the name of the author of the posts. For example, you may want to import all the entries as <code>admin</code>s entries.'); ?></p> 146 <p><?php _e('If a new user is created by WordPress, the password will be set, by default, to "changeme". Quite suggestive, eh? ;)'); ?></p> 147 <?php 148 149 150 $authors = $this->get_wp_authors(); 151 echo '<ol id="authors">'; 152 echo '<form action="?import=wordpress&step=2&id=' . $this->id . '" method="post">'; 153 $j = -1; 154 foreach ($authors as $author) { 155 ++ $j; 156 echo '<li>'.__('Current author:').' <strong>'.$author.'</strong><br />'.sprintf(__('Create user %1$s or map to existing'), ' <input type="text" value="'.$author.'" name="'.'user[]'.'" maxlength="30"> <br />'); 157 $this->users_form($j); 158 echo '</li>'; 159 } 160 161 echo '<input type="submit" value="Submit">'.'<br/>'; 162 echo '</form>'; 163 echo '</ol>'; 164 165 } 166 167 function select_authors() { 168 $file = wp_import_handle_upload(); 169 if ( isset($file['error']) ) { 170 $this->header(); 171 echo '<p>'.__('Sorry, there has been an error.').'</p>'; 172 echo '<p><strong>' . $file['error'] . '</strong></p>'; 173 $this->footer(); 174 return; 175 } 176 $this->file = $file['file']; 177 $this->id = $file['id']; 178 179 $this->get_entries(); 180 $this->wp_authors_form(); 181 } 182 183 function process_categories() { 184 global $wpdb; 185 186 $cat_names = (array) $wpdb->get_col("SELECT cat_name FROM $wpdb->categories"); 187 188 while ( $c = array_shift($this->categories) ) { 189 $cat_name = trim(str_replace(array ('<![CDATA[', ']]>'), '', $this->get_tag( $c, 'wp:cat_name' ))); 190 191 // If the category exists we leave it alone 192 if ( in_array($cat_name, $cat_names) ) 193 continue; 194 195 $category_nicename = $this->get_tag( $c, 'wp:category_nicename' ); 196 $posts_private = (int) $this->get_tag( $c, 'wp:posts_private' ); 197 $links_private = (int) $this->get_tag( $c, 'wp:links_private' ); 198 199 $parent = $this->get_tag( $c, 'wp:category_parent' ); 200 201 if ( empty($parent) ) 202 $category_parent = '0'; 203 else 204 $category_parent = (int) category_exists($parent); 205 206 $catarr = compact('category_nicename', 'category_parent', 'posts_private', 'links_private', 'posts_private', 'cat_name'); 207 208 $cat_ID = wp_insert_category($catarr); 209 } 210 } 211 212 function process_posts() { 213 global $wpdb; 214 $i = -1; 215 echo '<ol>'; 216 foreach ($this->posts as $post) { 217 218 // There are only ever one of these 219 $post_title = $this->get_tag( $post, 'title' ); 220 $post_date = $this->get_tag( $post, 'wp:post_date' ); 221 $post_date_gmt = $this->get_tag( $post, 'wp:post_date_gmt' ); 222 $comment_status = $this->get_tag( $post, 'wp:comment_status' ); 223 $ping_status = $this->get_tag( $post, 'wp:ping_status' ); 224 $post_status = $this->get_tag( $post, 'wp:status' ); 225 $post_parent = $this->get_tag( $post, 'wp:post_parent' ); 226 $post_type = $this->get_tag( $post, 'wp:post_type' ); 227 $guid = $this->get_tag( $post, 'guid' ); 228 $post_author = $this->get_tag( $post, 'dc:creator' ); 229 230 $post_content = $this->get_tag( $post, 'content:encoded' ); 231 $post_content = str_replace(array ('<![CDATA[', ']]>'), '', $post_content); 232 $post_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $post_content); 233 $post_content = str_replace('<br>', '<br />', $post_content); 234 $post_content = str_replace('<hr>', '<hr />', $post_content); 235 236 preg_match_all('|<category>(.*?)</category>|is', $post, $categories); 237 $categories = $categories[1]; 238 239 $cat_index = 0; 240 foreach ($categories as $category) { 241 $categories[$cat_index] = $wpdb->escape($this->unhtmlentities(str_replace(array ('<![CDATA[', ']]>'), '', $category))); 242 $cat_index++; 243 } 244 245 if ($post_id = post_exists($post_title, '', $post_date)) { 246 echo '<li>'; 247 printf(__('Post <i>%s</i> already exists.'), stripslashes($post_title)); 248 } else { 249 echo '<li>'; 250 printf(__('Importing post <i>%s</i>...'), stripslashes($post_title)); 251 252 $post_author = $this->checkauthor($post_author); //just so that if a post already exists, new users are not created by checkauthor 253 254 $postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_excerpt', 'post_status', 'comment_status', 'ping_status', 'post_modified', 'post_modified_gmt', 'guid', 'post_parent', 'post_type'); 255 $comment_post_ID = $post_id = wp_insert_post($postdata); 256 // Add categories. 257 if (0 != count($categories)) { 258 wp_create_categories($categories, $post_id); 259 } 260 } 261 262 // Now for comments 263 preg_match_all('|<wp:comment>(.*?)</wp:comment>|is', $post, $comments); 264 $comments = $comments[1]; 265 $num_comments = 0; 266 if ( $comments) { foreach ($comments as $comment) { 267 $comment_author = $this->get_tag( $comment, 'wp:comment_author'); 268 $comment_author_email = $this->get_tag( $comment, 'wp:comment_author_email'); 269 $comment_author_IP = $this->get_tag( $comment, 'wp:comment_author_IP'); 270 $comment_author_url = $this->get_tag( $comment, 'wp:comment_author_url'); 271 $comment_date = $this->get_tag( $comment, 'wp:comment_date'); 272 $comment_date_gmt = $this->get_tag( $comment, 'wp:comment_date_gmt'); 273 $comment_content = $this->get_tag( $comment, 'wp:comment_content'); 274 $comment_approved = $this->get_tag( $comment, 'wp:comment_approved'); 275 $comment_type = $this->get_tag( $comment, 'wp:comment_type'); 276 $comment_parent = $this->get_tag( $comment, 'wp:comment_parent'); 277 278 if ( !comment_exists($comment_author, $comment_date) ) { 279 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_approved', 'comment_type', 'comment_parent'); 280 wp_insert_comment($commentdata); 281 $num_comments++; 282 } 283 } } 284 if ( $num_comments ) 285 printf(' '.__('(%s comments)'), $num_comments); 286 287 // Now for post meta 288 preg_match_all('|<wp:postmeta>(.*?)</wp:postmeta>|is', $post, $postmeta); 289 $postmeta = $postmeta[1]; 290 if ( $postmeta) { foreach ($postmeta as $p) { 291 $key = $this->get_tag( $p, 'wp:meta_key' ); 292 $value = $this->get_tag( $p, 'wp:meta_value' ); 293 add_post_meta( $post_id, $key, $value ); 294 } } 295 296 $index++; 297 } 298 299 echo '</ol>'; 300 301 wp_import_cleanup($this->id); 302 303 echo '<h3>'.sprintf(__('All done.').' <a href="%s">'.__('Have fun!').'</a>', get_option('home')).'</h3>'; 304 } 305 306 function import() { 307 $this->id = (int) $_GET['id']; 308 309 $this->file = get_attached_file($this->id); 310 $this->get_authors_from_post(); 311 $this->get_entries(); 312 $this->process_categories(); 313 $this->process_posts(); 314 } 315 316 function dispatch() { 317 if (empty ($_GET['step'])) 318 $step = 0; 319 else 320 $step = (int) $_GET['step']; 321 322 $this->header(); 323 switch ($step) { 324 case 0 : 325 $this->greet(); 326 break; 327 case 1 : 328 $this->select_authors(); 329 break; 330 case 2: 331 $this->import(); 332 break; 333 } 334 $this->footer(); 335 } 336 337 function WP_Import() { 338 // Nothing. 339 } 340 } 341 342 $wp_import = new WP_Import(); 343 344 register_importer('wordpress', 'WordPress', __('Import <strong>posts, comments, custom fields, pages, and categories</strong> from a WordPress export file'), array ($wp_import, 'dispatch')); 345 346 ?>
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| Généré le : Fri Mar 30 19:41:27 2007 | par Balluche grâce à PHPXref 0.7 |